圖片僅供參考
MAX1775EEE
+物料清單IC REG CTRLR BUCK 16QSOP
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製造商類比設備股份有限公司/Maxim集成
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製造商部分 #MAX1775EEE
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有存貨3485
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Supplier | Analog Devices Inc./Maxim Integrated |
| Package | Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 2 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 28V |
| Frequency-Switching | Up to 1.25MHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Enable |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-SSOP (0.154, 3.90mm Width) |
概述
Description
Key features include a built-in 1A, 0.2Ω N-channel MOSFET, which helps minimize external components and reduce overall design complexity. The converter operates at a fixed 300kHz switching frequency, optimizing the trade-off between size and efficiency. It also includes an internal compensation network, thermal shutdown, and current limiting to ensure robust and reliable operation.
The MAX1775EEE is available in a 16-pin QSOP package, making it compact and suitable for space-constrained applications. Its combination of efficiency, compact design, and robust protection features makes it ideal for portable electronics, communication devices, and other applications that demand reliable power conversion.
Equivalent
Features
Key features of the MAX1775EEE include overcurrent protection, thermal shutdown, and a low-battery detection circuit. It supports dynamic power path management, allowing simultaneous charging and powering of the system. The IC has a high switching frequency, which enables the use of small external components and contributes to its compact design. Its flexible power management capabilities make it suitable for handheld and battery-powered applications. The MAX1775EEE operates over a wide input voltage range and offers low quiescent current to extend battery life. Its compact package and efficient design are ideal for space-constrained applications.
Pinout
The MAX1775EEE comes in a 16-pin QSOP (Quad Small Outline Package). Its pin functions include:
1. VCC: Power supply input.
2. ON/OFF: Enables or disables the device.
3. FB: Feedback input for voltage regulation.
4. COMP: Compensation for the internal error amplifier.
5. SHDN: Shutdown input.
6. GND: Ground connection.
7. LX: Inductor connection for the switching node.
8. PGND: Power ground, separate from signal ground.
9. VOUT: Output voltage sense.
10. REF: Reference output voltage.
11. LDOIN: Input for the linear regulator dropout.
12. LDOOUT: Output of the linear regulator.
13. FREQ: Frequency selection for the internal oscillator.
14. SYNC: Synchronization input for the oscillator.
15. ILIM: Current limit setting.
16. CS: Current sense input.
These pins facilitate the IC's main functions, including voltage regulation, current limiting, and device control, to provide a stable and efficient power supply for various applications.